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User:Palapala

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Welcome

2024-11-24 Sunday 06:17

The first minute of the rest of your life...
Some of my background you'll be able to find

on my home page.
— 2004-01-28 —
I do not attend on a day-by-day basis, as my job does not allow this.
That doesn't imply that I will not stay with things I've started...

And, as Anthere has suggested: "I like you".

Pages started:
Lino Ventura | Marlène Jobert | Ingrid Thulin
Le Passager de la Pluie
Laura DiDio | Lester Hogan | Tom Duff | MEKO®
Preppie murder
Mon Chéri
Nia Künzer (Pictures)
Strange Units
(with redirects FFF | microfortnight | furlongs per fortnight
nanocentury | microcentury | nanoacre | Hubble-barn)

Editor/Contributor:
Karlsruhe | Reykjavík | Humbug Mountain | Heinrich-Hertz-Turm
Madog | Natasha
Operation Entebbe | Yoni Netanyahu
Albert Hofmann ( Pictures)
Vladimir Vissotzki
CeeCee Lyles | Sarah Marple-Cantrell | Jennifer Levin
Birgit Prinz (Pictures)
RAF Church Fenton
isbn.nu | Blind transmission | RealAudio
Sarah Gordon (VfD) | Fridrik Skulason
attoparsec | Gyrator | Kryptos | 12 (number) | Floppy disk | kilobyte

/Playground - /Tools - /TalkArchive - /Coop - /Bits'n'Pieces
 

The Double Asteroid Redirection Test (DART) was a NASA space mission aimed at testing a method of planetary defense against near-Earth objects. The target object, Dimorphos, is a 160-meter-long (525-foot) minor-planet moon of the asteroid Didymos. DART was launched on 24 November 2021 and successfully collided with Dimorphos on 26 September 2022 while about 11 million kilometers (6.8 million miles) from Earth. The collision shortened Dimorphos's orbit by 32 minutes and was mostly achieved by the momentum transfer associated with the recoil of the ejected debris, which was larger than the impact. This video is a timelapse of DART's final five and a half minutes before impacting Dimorphos, and was compiled from photographs captured by the Didymos Reconnaissance and Asteroid Camera for Optical navigation (DRACO), the spacecraft's 20-centimeter-aperture (7.9-inch) camera, and transmitted to Earth in real time. The replay is ten times faster than reality, except for the last six images, which are shown at the same rate at which the spacecraft returned them. Both Didymos and Dimorphos are visible at the start of the video, and the final frame shows a patch of Dimorphos's surface 16 meters (51 feet) across. DART's impact occurred during transmission of the final image, resulting in a partial frame.Video credit: NASA / Johns Hopkins APL
Archive – More featured pictures...


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